$OpenBSD: patch-fex_fex_blargg_common_h,v 1.1 2017/05/13 20:59:05 espie Exp $
an int is not a const char *!

Index: fex/fex/blargg_common.h
--- fex/fex/blargg_common.h.orig
+++ fex/fex/blargg_common.h
@@ -12,7 +12,7 @@
 typedef const char* blargg_err_t; // 0 on success, otherwise error string
 
 // Success; no error
-int const blargg_ok = 0;
+const char *const blargg_ok = nullptr;
 
 // BLARGG_RESTRICT: equivalent to C99's restrict, where supported
 #if __GNUC__ >= 3 || _MSC_VER >= 1100
